Add support for Broadlink A2 air quality sensor (#142203)

Co-authored-by: Joostlek <joostlek@outlook.com>

homeassistant/components/broadlink/const.py

@@ -11,6 +11,7 @@ DOMAINS_AND_TYPES = {
     Platform.SELECT: {"HYS"},
     Platform.SENSOR: {
         "A1",
+        "A2",
         "MP1S",
         "RM4MINI",
         "RM4PRO",

homeassistant/components/broadlink/sensor.py

@@ -10,6 +10,7 @@ from homeassistant.components.sensor import (
 )
 from homeassistant.config_entries import ConfigEntry
 from homeassistant.const import (
+    CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
     PERCENTAGE,
     UnitOfElectricCurrent,
     UnitOfElectricPotential,
@@ -34,6 +35,24 @@ SENSOR_TYPES: tuple[SensorEntityDescription, ...] = (
         key="air_quality",
         device_class=SensorDeviceClass.AQI,
     ),
+    SensorEntityDescription(
+        key="pm10",
+        native_unit_of_measurement=CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
+        device_class=SensorDeviceClass.PM10,
+        state_class=SensorStateClass.MEASUREMENT,
+    ),
+    SensorEntityDescription(
+        key="pm2_5",
+        native_unit_of_measurement=CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
+        device_class=SensorDeviceClass.PM25,
+        state_class=SensorStateClass.MEASUREMENT,
+    ),
+    SensorEntityDescription(
+        key="pm1",
+        native_unit_of_measurement=CONCENTRATION_MICROGRAMS_PER_CUBIC_METER,
+        device_class=SensorDeviceClass.PM1,
+        state_class=SensorStateClass.MEASUREMENT,
+    ),
     SensorEntityDescription(
         key="humidity",
         native_unit_of_measurement=PERCENTAGE,

homeassistant/components/broadlink/updater.py

@@ -25,6 +25,7 @@ def get_update_manager(device: BroadlinkDevice[_ApiT]) -> BroadlinkUpdateManager
     """Return an update manager for a given Broadlink device."""
     update_managers: dict[str, type[BroadlinkUpdateManager]] = {
         "A1": BroadlinkA1UpdateManager,
+        "A2": BroadlinkA2UpdateManager,
         "BG1": BroadlinkBG1UpdateManager,
         "HYS": BroadlinkThermostatUpdateManager,
         "LB1": BroadlinkLB1UpdateManager,
@@ -118,6 +119,16 @@ class BroadlinkA1UpdateManager(BroadlinkUpdateManager[blk.a1]):
         return await self.device.async_request(self.device.api.check_sensors_raw)
 
 
+class BroadlinkA2UpdateManager(BroadlinkUpdateManager[blk.a2]):
+    """Manages updates for Broadlink A2 devices."""
+
+    SCAN_INTERVAL = timedelta(seconds=10)
+
+    async def async_fetch_data(self) -> dict[str, Any]:
+        """Fetch data from the device."""
+        return await self.device.async_request(self.device.api.check_sensors_raw)
+
+
 class BroadlinkMP1UpdateManager(BroadlinkUpdateManager[blk.mp1]):
     """Manages updates for Broadlink MP1 devices."""